| 单词 | pinnately compound leaf |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔pinna〕Botany A leaflet or primary division of a pinnately compound leaf.【植物学】 （复叶的）羽片：羽状复叶的小叶子或羽片部分美国传统〔rachis〕A main axis or shaft, such as the main stem of an inflorescence, the stalk of a pinnately compound leaf, or the spinal column.花序轴：主轴或主茎，如花序的总轴、掌状复叶的茎或螺旋状的柱美国传统 |
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